The Kowa Six MM is an SLR camera for 6×6 cm pictures on 120 film made by Kowa, Japan in the year 1972. This is the first camera with built-in mirror-up and multiple exposures (multi-explorer). MM is an acronym for two functions.
Lens: Kowa 55mm f/3.5 (8 elements in 7 groups) Vivitar 67mm UV Haze Filter. Shutter: Seiko SLV #0 (built-in M, X sync Contac and self-timer). Shutter speed: T, 1-1/500sec. Viewfinder: waist-level finder. Focusing – straight helicoid. Film winding: by a crank.